public ActionResult Edit(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            CategoryViewModel category = categoryService.getCategoryViewModel((int)id);

            if (category == null)
            {
                return(HttpNotFound());
            }
            PopulateStatusDropDownList((Define.Status)category.Status);
            PopulateParentCategoryDropDownList(category.ParentId, id);
            return(View(category));
        }